New results from measurements of the strong coupling constant αs( MZ) at LEP are presented. In particular, a new LEP combination of results based on event-shape variables has become available, where a new method for the estimation of the theoretical uncertainty has been implemented. Furthermore, two other analyses are quoted, based on power corrections and the four-jet rate.
Nuclear Physics B Proceedings Supplements
- Pub Date:
- April 2003
- High Energy Physics - Experiment
- Talk presented at the 31st International Conference on High Energy Physics, Amsterdam, 24-31 July 2002